Deployment Models
Available to everyone over the internet
Public cloud
A method of software delivery and licensing in which software is accessed online via a subscription, rather than bought and installed on individual computers.
Software as a service (SaaS)
Site-to-site virtual private network
Encrypt through the Internet
VPN
Your own virtualized local data center
Private Cloud
A form of cloud computing that provides virtualized computing resources over the internet.
Infrastructure as a service (IaaS)
Connects users on the Internet
Direct connection between cloud provider networks
Private-direct connection to cloud provider
A mix of public and private
Hybrid cloud
No servers, no software, no maintenance team, no HVAC. Someone else handles the platform, you handle the development
Platform as a service (PaaS)
Many different clients are using the same cloud infrastructure
Multi-Latency
Several organizations share the same resources
Community cloud
Basic application usage
Applications actually run on a remote server
Desktop as a Service (DaaS)
Scale up or down as needed
Elasticity
IaaS- Your data is out there, but more within your control
SaaS- Central management of data and applications
Your data is out there
PaaS- You don’t have direct control of the data, people, or infrastructure
Trained security professionals are watching your stuff
Security implications
Describe an infrastructure
Defines servers, network, and applications as code
Modify the infrastructure and create versions
Infrastructure as code
the ability of a network to cope with increasing workloads in a cost-effective and sustainable way
Scalability